YWH100 IP Phone User manual V1.38
Page 23 of 32
disable:
Select this item when the log in server and IP phone in the same LAN,
or the log in system supports the IP phone working behind the LAN.
enable:
When the system does not support IP phone working behind the LAN,
please select this item to search public IP address of the NAT device. With this
item selected, “nat addr”
field will be activated. Besides, port mapping (port
forwarding) needs to be properly set up on NAT device.
citron:
With Citron private protocol used, select this item to fit into the GnuGK
system transferring the voice and signal by router.
auvtech:
Select this item with Auvtech private system used.
stun:
Select this item with SIP protocol used according to requirement of
system. With this item selected, nat addr
field is activated.
vida:
Select this item with Vida private system used.
aivgr:
Select this item with aivgr private system used.
●
nat addr:
When “nat traversal” is set to “enable”, please put the domain name of
the servers ( These web server helps to find out the public IP of the IP phone) into
“nat addr”, such as www.whatismyip.com.
When
“nat traversal” is set to “stun”, please put the URI of the stun server into “nat
addr”, in the format as “domain name/IP address : service port”. The default service
port for stun is 3478.
●
nat ttl:
When IP phone sit behind a NAT device, it will send packets to server
every “
nat ttl
” seconds to keep the port mapping on the NAT device alive. “
nat ttl
”
is an integer between 10 and 60, default value is 20.
●
phone number:
The local phone number or username of this phone, usually is